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"Because the combustible cigarette smoke and e-cigarette aerosol that people inhale doesn't have direct contact with the blood vessels, and the blood does, we took blood serum (the clear liquid in the blood that remains after it clots) from every participant and put it in contact with endothelial cells in a culture dish to evaluate how the different serum samples affected the functional behavior of those cells," Springer said

I mean, ages have never stopped me from doing anything before, but you know

Federal regulators said they will soon ban flavored e-cigarettes, while some nations have outlawed the products altogether, saying they pose too much of a health risk

Pros: Perceived smoother draw